Featured amenities
Pet Friendly
Sites & Rates
Average nightly rates81 total sites
RV Sites
59 sites
Tent Sites
22 sites
About Mammoth Campground (Yellowstone)
Number of accommodations: 81
Activities & Attractions
Nearby
Fishing
Year-round
Fishing
Seasonal information
2026 Season availability
Campground Amenities
Most popular amenities
Pet friendly
Pets and Policies
- Pet friendly
Rates, Sites & Availability
81 Sites Available
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Site Details
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81 Sites Available
No available sites
All sites are booked for your selected dates. Try showing all sites to see booked options, create an alert to be notified when something opens up, or adjust your dates.
Reviews (733)
What Guests Are Saying
Mammoth Campground offers clean facilities, friendly staff, and a beautiful location near Mammoth Hot Springs, making it an excellent base for exploring Yellowstone. Many reviews highlight the well-maintained bathrooms and accessible water spigots, as well as the stunning views and quiet atmosphere. However, some campers noted a lack of shade, noise from nearby traffic, and limited trail access, but overall, the campground is highly recommended for its amenities and scenic surroundings.
What Guests Are Saying
Mammoth Campground offers clean facilities, friendly staff, and a beautiful location near Mammoth Hot Springs, making it an excellent base for exploring Yellowstone. Many reviews highlight the well-maintained bathrooms and accessible water spigots, as well as the stunning views and quiet atmosphere. However, some campers noted a lack of shade, noise from nearby traffic, and limited trail access, but overall, the campground is highly recommended for its amenities and scenic surroundings.
Review Summary
Gary T
VerifiedMay 30, 2025 • Stayed at: Mammoth site #50, Loop: B
Thank you. Only wish the Elk were in the campgrounds. I know it would not have safe for us being that they were calving.
RUOYU X
VerifiedMay 28, 2025 • Stayed at: Mammoth site #19, Loop: A
It is a real nice campground everywhere. The hosts are so kind and solve me many puzzles. This is the first time when I slept 9.5 hours in campground because the place make me feel so safe.
Duane H
VerifiedMay 28, 2025 • Stayed at: Mammoth site #73, Loop: Tent
Was lucky to get a site that day. Lots of empty sites but only two people had canceled there reservation. Nice sites and wish there were more available more sites.
Danlei X
VerifiedMay 27, 2025 • Stayed at: Mammoth site #5, Loop: A
Mammoth opens for early season and I stayed for 3 nights. Overall, it’s a great stay for early season. The view is fantastic, and campsite quiet. Although, location wise it’s a bit of driving especially when there is traffic
Carol M
VerifiedMay 25, 2025 • Stayed at: Mammoth site #3, Loop: A
Excellent
William R
VerifiedMay 24, 2025 • Stayed at: Mammoth site #47, Loop: B
Campground hosts were cordial. They continuously patrol the campground in a loud gas-powered golf cart. Good for safety but a bit disturbing from the noise! Go electric.
Campground and bathrooms were clean. Lots of Bison and elk roaming through camp. Overall camping experience was enjoyable except for that golf cart!
Sue B
VerifiedMay 22, 2025 • Stayed at: Mammoth site #38, Loop: B
This is a lovely campground and the camp hosts were swell.
SUNG B M
VerifiedMay 21, 2025 • Stayed at: Mammoth site #81, Loop: tent
very clean and good jobs, Rangers!
Holly B
VerifiedMay 19, 2025 • Stayed at: Mammoth site #32, Loop: B
The check in was easy. Very freindly staff. Restrooms were very clean and well stocked. The views are fabulous.
Dan O
VerifiedMay 17, 2025 • Stayed at: Mammoth site #58, Loop: A
It is a nice campground in a beautiful location. It was very quiet, though mostly filled. But, then again, folks are here to cruise YNP to chase baby bison, baby bears, goats, sheep, & moose (we found all those). You put in long hours and the campground is just a place to lay your head to prepare for tomorrow's adventures. Staff was friendly and professional and had answers for all of my off-the-wall questions.
I hate to highly recommend this campground because it will draw more visitors and . . . yes, I'm holding it close to my chest so that no one else will see. Thanks, YNP Staff, scenery and wildlife.
Location Mammoth Campground (Yellowstone)
Address:
Yellowstone National Park
Yellowstone, WY, 82190
United States
Elevation: 1842 feet
Policies & Rules
General
- Mammoth Campground is managed by the park. If you are looking for campgrounds managed by Yellowstone National Park Lodges (Fishing Bridge RV Park, Bridge Bay, Canyon, Madison, and Grant Village campgrounds), please visit the Yellowstone National Park Lodges Camping website.
- RV or Camper Unit Delivery Prohibited. The delivery or pick-up of out-of-park RVs or other camper unit rentals is prohibited.
- Notify the Campground of Late Arrivals. To notify campground of late arrival or cancellation please call 307-344-2289
- Parking. All wheeled vehicles including trailers and motorcycles must be parked on parking pads or established roadways, so as not to block or restrict traffic in campgrounds.
- Camping Occupancy Limits. Maximum occupancy is six people per site. Camp only in designated sites. Camping is limited to 14 days from July 1 through Labor Day and to 30 days the rest of the year parkwide. The 44 day camping limit includes both concession- and park-operated campgrounds.
- Wildlife/Bear Regulations. ~Keep all food and related items - beverages, cooking utensils, stoves, pet food and, empty or full, food and beverage containers such as coolers, ice chests, and water jugs - locked inside your vehicle or stored in a food storage box, unless in immediate use. Bear resistant food containers must be kept in a vehicle, in a hard-sided camping unit, or in a food storage box. ~All trash and garbage must be disposed of in the provided bear-proof trash cans. Do not leave food related trash or garbage unattended. ~Washing dishes or clothing at campground hydrants or spigots is prohibited. Carry all dishwater/wastewater to the restroom toilet for disposal.
- Campfires and Firewood. Wood and charcoal fires are permitted. Campfires are permitted only in established fire grates. Fires must be attended at all times. Only dead, down, and detached wood may be gathered. Wood should not extend outside the fire grate perimeter. Do not break limbs off of standing trees, living or dead. Drown campfires thoroughly with water to make sure they are completely out. NOTE: Wood and charcoal fires may be subject to special restrictions due to fire danger. Restrictions will be listed on campground information boards and on the park's Current Conditions page. Propane grills and stoves are not usually affected by fire restrictions.
- Quiet hours are strictly enforced. No loud audio devices or other noise disturbances will be allowed during this time. Generators are prohibited between the hours of 8:00 p.m. and 8:00 a.m. Generators must be turned off durng the day when campsite is not occupied by site renter.
- Stay on Boardwalks and Trails. All travel in thermal areas is restricted to NPS designated trails and boardwalks.
- Fishing. To fish within the park, people 16 years of age and older are required to purchase and carry on their person a Yellowstone National Park Fishing Permit (you may purchase in advance). To learn more about fishing regulations, visit the park's Catch a Fish web page.
- 30 ft RV limit. From November through April.
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Last updated: September 8, 2026
